National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Sandown Bay

Wave Spectra for 27/04/2025 03:20 GMT

Wave Spectra page developed in conjunction with Fugro GB Limited.

(i) stands for Iridium

Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (27/04/2025 03:20 GMT)
Significant Wave Height (m)0.32
Wave zero up crossing period (Spectrum Tz) (s)4
Wind Wave Significant Wave Height (m)0.31
Wind Wave Peak Period (s)4.5
Wind Wave Peak Period Direction (°)148
Swell Significant Wave Height (m)0.07
Swell Peak Period (s)10
Swell Peak Period Direction (°)173
% Swell4.7